The answer is a Scanning Electron Microscope
It is important to obtain and prepare proper samples when using SEM. The sample’s size, state, and shape are things that should be considered before the sample preparation. Some samples need to be coated. Most metals require no preparation since they can easily conduct electricity. Non-metals, however, needs to be coated with a thin layer of gold. Gold is the ideal non-metal and works most of the times.
Answer:
Baje las persianas o cierre las cortinas en los días calurosos, para mantener la casa fresca y reducir el uso de ventiladores eléctricos o aire acondicionado. Deje que la ropa se seque naturalmente. Mantenga las tapas en las ollas cuando cocine para ahorrar energía. Use baterias recargables.
The answer is c
But I’m not sure
The answer is definitely C: Blogs.
Blog is somewhat very similar to a website. It is sort of a journal that is mostly maintained by one person, the blogger. They are updated regularly and can contain information related to a specific topic. In most cases, blogs are used as dairy diaries about politics, people’s personal lives, or social commentaries. They give you, as a blogger, opportunities to interact with your visitors while promoting your products.